POCO M8 Power 5G vs Samsung Galaxy S21 Ultra
28.9Performance37.2
49.7Display56.3
29Camera72
71.3Battery46.4
62.7Features78.7
6 spec wins — POCO M8 Power 5G6 spec wins — Samsung Galaxy S21 Ultra
InnoReviews verdict
Samsung Galaxy S21 Ultra wins this phone face-off, 53.9 to 44.9, pulling ahead mainly in camera (+43) and features (+16). POCO M8 Power 5G still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the POCO M8 Power 5G
- Stronger battery score: 71 vs 46
- 80% higher Wired charging: 45 W vs 25 W
- 60% higher capacity: 8,000 mAh vs 5,000 mAh
- 20% higher Peak brightness: 1,800 nits vs 1,500 nits
Reasons to pick the Samsung Galaxy S21 Ultra
- Stronger performance score: 37 vs 29
- Stronger display score: 56 vs 50
- Stronger camera score: 72 vs 29
- Stronger features score: 79 vs 63
- 400% higher Front camera: 40 MP vs 8 MP
Display
| Spec | POCO M8 Power 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Screen size | 6.99 ″+3% | 6.8 ″ |
| Panel type | AMOLED | LTPO AMOLED |
| Resolution | 1080x2396 | 3200x1440 |
| Pixel density | 375 ppi | 515 ppi+37% |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,800 nits+20% | 1,500 nits |
Performance
| Spec | POCO M8 Power 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Chipset | Snapdragon 4 Gen 4 | Samsung Exynos 2100 |
| AnTuTu | — | 783,817Bottom 22% |
| AnTuTu 11 (CPU) | — | 263,424Bottom 17% |
| AnTuTu 11 (GPU) | — | 126,989Bottom 33% |
| AnTuTu 11 (Memory) | — | 165,563Bottom 35% |
| AnTuTu 11 (UX) | — | 227,841Bottom 20% |
| Geekbench 6 (single) | — | 1,430Top 46% |
| Geekbench 6 (multi) | — | 3,550Bottom 50% |
| RAM (max) | 8 GB | 12 GB+50% |
| Storage options | 128GB | 128GB / 256GB / 512GB |
| Storage type | UFS 2.2 | UFS 3.1 |
Camera
| Spec | POCO M8 Power 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Main camera | 50 MP | 108 MP+116% |
| Main aperture | f/1.8 | f/1.8 |
| Ultra-wide | — | 12 MP |
| Telephoto | — | 10 MP |
| Optical zoom | — | 10 x |
| Max video | 1080p@30fps | 8K@24fps |
| Front camera | 8 MP | 40 MP+400% |
| OIS | No | Yes |
Battery
| Spec | POCO M8 Power 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Capacity | 8,000 mAh+60% | 5,000 mAh |
| Wired charging | 45 W+80% | 25 W |
| Wireless charging | — | 15 W |
Design
| Spec | POCO M8 Power 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Weight | 225 g+1% | 228 g |
| Thickness | 8.5 mm+4% | 8.9 mm |
| IP rating | IP65 | IP68 |
| Frame material | — | Aluminum |
Connectivity
| Spec | POCO M8 Power 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 6E |
| Bluetooth | 5.1 | 5.2 |
| NFC | — | Yes |
| USB | USB-C 2.0 | USB-C 3.2 |
| eSIM | No | Yes |
Software
| Spec | POCO M8 Power 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| OS at launch | Android 16 (HyperOS 3) | Android 11 (One UI 3.1) |
| OS update pledge | 4 years | 4 years |
Audio
| Spec | POCO M8 Power 5G | Samsung Galaxy S21 Ultra |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |
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